<template>
  <!-- 两步验证 -->
  <a-modal centered v-model="visible" @cancel="handleCancel" :maskClosable="false">
    <div slot="title" :style="{ textAlign: 'center' }">两步验证</div>
    <template slot="footer">
      <div :style="{ textAlign: 'center' }">
        <a-button key="back" @click="handleCancel">返回</a-button>
        <a-button key="submit" type="primary" :loading="stepLoading" @click="handleStepOk">继续</a-button>
      </div>
    </template>

    <a-spin :spinning="stepLoading">
      <a-form layout="vertical" :auto-form-create="(form)=>{this.form = form}">
        <div class="step-form-wrapper">
          <p style="text-align: center" v-if="!stepLoading">
            请在手机中打开 Google Authenticator 或两步验证 APP
            <br />输入 6 位动态码
          </p>
          <p style="text-align: center" v-else>
            正在验证..
            <br />请稍后
          </p>
          <a-form-item
            :style="{ textAlign: 'center' }"
            hasFeedback
            fieldDecoratorId="stepCode"
            :fieldDecoratorOptions="{rules: [{ required: true, message: '请输入 6 位动态码!', pattern: /^\d{6}$/, len: 6 }]}"
          >
            <a-input
              :style="{ textAlign: 'center' }"
              @keyup.enter.native="handleStepOk"
              placeholder="000000"
            />
          </a-form-item>
          <p style="text-align: center">
            <a @click="onForgeStepCode">遗失手机?</a>
          </p>
        </div>
      </a-form>
    </a-spin>
  </a-modal>
</template>

<script>
export default {
    props: {
        visible: {
            type: Boolean,
            default: false
        }
    },
    data() {
        return {
            stepLoading: false,

            form: null
        }
    },
    methods: {
        handleStepOk() {
            const vm = this
            this.stepLoading = true
            this.form.validateFields((err, values) => {
                if (!err) {
                    console.log('values', values)
                    setTimeout(() => {
                        vm.stepLoading = false
                        vm.$emit('success', { values })
                    }, 2000)
                    return
                }
                this.stepLoading = false
                this.$emit('error', { err })
            })
        },
        handleCancel() {
            this.visible = false
            this.$emit('cancel')
        },
        onForgeStepCode() {}
    }
}
</script>
<style lang="less" scoped>
.step-form-wrapper {
    margin: 0 auto;
    width: 80%;
    max-width: 400px;
}
</style>
